Plans.pdf

PDF 2 MB Posted Aug 1, 2016

Attached to: Federal Maintenance Dredging, 6-Foot Federal Channel, Mianus River
Solicitation number: W912WJ-16-B-0013
Issued by: Department of the Army Corps of Engineers Engineering District New England

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File	Type	Posted
Bid_Abstract.pdf	PDF	Sep 7, 2016
Bid_Snapsheet.pdf	PDF	Aug 30, 2016
Specifications.pdf	PDF	Jul 29, 2016
W912WJ-16-B-0013.pdf	PDF	Jul 29, 2016

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MASSACHUSETTS

NEW

HAMPSHIRE

MAINE

VT.

CONN.

R.I.

HARTFORD

PROV.

CAPE

COD

BOSTON

PORTSMOUTH

CONCORD

PORTLAND

AUGUSTA

BANGOR

ATLANTIC

OCEAN

RIVER

MIANUS

DESIGN FILESHEET NO.

G-001

INDEX TO DRAWINGS

SHEET TITLE

®of Engineers

US Army Corps

District

New England

G-002

C-101

C-102

C-103

MIA-263_G-001.dgn

MIA-263_G-002.dgn

MIA-263_C-101.dgn

MIA-263_C-102.dgn

MIA-263_C-103.dgn

PLAN AND SECTION STA. 0+00 TO STA. 30+00

PLAN AND SECTION STA. 30+00 TO STA. 64+00

PLAN AND SECTIONS STA. 64+00 TO STA. 81+84

G-001

A E

A N

S I F

-2

G -0

.d g n

®of Engineers

US Army Corps

District

New England

SOLICITATION #:

MAINTENANCE DREDGING

GREENWICH, CONNECTICUT

MIANUS RIVER

NOT TO SCALE

VICINITY MAP

N U

E R

NOT TO SCALE

6-FOOT CHANNEL

LOCATION MAP

GREENWICH

COS COB

GREENWICH

RIVERSIDE

O U

C O

V E

R S

H E

E T L

O C

A T

N M

A P

L T

O D

E A

AIDS, PROJECT COORDINATES AND GENERAL NOTES

GENERAL PLAN, LEGEND, INDEX TO NAVIGATION

W912WJ-16-B-0013

J U

N E

FEDERAL NAVIGATION CHANNEL

Y M

A P

A N

D I

N D

E X T

O D

R A

G S

AND INDEX TO DRAWINGS

COVER SHEET, LOCATION MAP, VICINITY MAP,

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District

New England of Engineers

US Army Corps

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O D

SHEET OF

-2

IDENTIFICATION

SHEET

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-B -0

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E L

28 766703.13 569340.40 27 766993.25 570359.82 26 766906.60 572229.97 25 766939.98 572475.77 24 767093.80 572976.08 23 767060.32 573048.05 22 767031.87 573168.80 21 767348.54 574437.97 20 767691.70 575112.51 19 767684.90 575132.22 18 767777.88 575314.98 17 767797.82 575321.10 16 768490.32 576682.34 15 768504.13 577151.15 14 768429.16 577153.36 13 768419.56 576827.25 12 768309.63 576547.71 11 767636.33 575224.20 10 767643.13 575204.49 9 767553.43 575028.17 8 767533.49 575022.05 7 767254.27 574473.19 6 766955.39 573275.37 5 767009.97 573043.70 4 766800.37 572361.98 3 766885.38 570527.49 2 766849.64 570220.54 1 766606.94 569367.78

73 - 35'- 41.8"W

41 - 01'- 24.0"N

N 572141.31 7/08/14

E 766851.02

73 - 35'- 40.6"W

41 - 01'- 24.7"N

N 570371.26 7/08/14

E 766789.90

N 572144.06

73 - 35'- 42.8"W

41 - 01'- 41.5"N 7/08/14

41 - 01'- 41.5"N

E 766875.28

GC-13

73 - 35'- 41.7"W

E 766941.44

7/08/14

RN-12

E 766636.12

N 569042.52

GC-11

NO. DATE

INDEX OF NAVIGATION AIDS

RN-10

GC-9

73 - 35'- 44.3"W

41 - 01'- 14.6"N

N 570434.83 7/08/14

E 766650.57

73 - 35'- 44.4"W

41 - 01'- 10.9"N

N 569415.78 7/08/14

POSITION

GEOGRAPHIC

COORDINATES

STATE PLANE

RN-8

(ZONE 0600)

STATE PLANE NAD 1983

6-FOOT CHANNEL

GREENWICH, CONNECTICUT

MIANUS HARBOR

# EASTING NORTHING

GENERAL NOTES:

LEGEND

DESCRIPTION SYMBOL

400 800

1" = 400'

GRAPHIC SCALE:

400E

SHEET C-101

N 572000

N 576000

SHEET C-102

SHEET C-103

COS COB

GREENWICH

HARBOR

COS COB

GREENWICH

MIANUS

GREENWICH

RIVERSIDE

N U

E R

T E R S T A T E

RAILR

OAD

CLUB

YACHT

RIVERSIDE

METRO N

ORTH

DAM

POND

MIANUS

1 ET

R ETATS

E U

N E

V A

E D I

S R

ISLAND

GOOSE

WLDS DISPOSAL SITE

APPROXIMATELY 8 MILES TO

GENERAL PLAN

SCALE: 1" = 400'

C T

ROCK / LEDGE

(NO SPUD ZONE)

CABLE AND PIPELINE AREA

CABLE/TELEPHONE

SEWER MAIN

WATER MAIN

CORE SAMPLE LOCATION

CHANNEL COORDINATES

BASELINE / CENTERLINE

NAVIGATION AIDS

(CROSS-SECTION ONLY)

ALLOWABLE OVERDEPTH

MATERIAL REQUIRED TO BE DREDGED

REQUIRED DREDGING DEPTH CONTOUR

Contractor shall coordinate removal with the Harbormaster.

Notification letters requiring removal were sent to owners of piers and piles.

the 3H:1V slopes will be removed by others prior to dredging these locations.

11. Piles and piers that affect dredging operations within project limits or dredging sequence.

10. Refer to note at Sta. 76+00 to Sta. 81+84 on Sheet C-103 for

Refer to Survey No.: 14-1322

Surveyed by: Robert MacGovern and crew

9. Field Book: R&H 4238 considered as indicating the general conditions existing at that time.

results of surveys made on the dates indicated, and can only be

8. The information depicted on these maps represents the from more sounding information than shown.

NOT be used to determine volumes. Volumes are determined

7. The sounding information depicted on these maps should surveys conducted during July 2014.

the SHOALEST soundings of those obtained from hydrographic

6. The sounding information shown on these maps represents

The RTK base station used was Station Canon (2014).

real-time tides were obtained using a Leica 1200 RTK GPS System.

System operating at 300kHz. Horizontal positioning and

5. Survey was performed using an R2 Sonic Multibeam Sonar

U.S. Survey feet.

the State of Connecticut (Zone 0600) and NAD 1983 and based on

4. Coordinates shown are based on the Lambert Grid System for

Average range of tide is 7.2'.

No tide gauges were used on this project.

to NAVD88 to convert to MLLW.

NAVD88 is above MLLW; therefore the correction should be added vicinity of Mianus River, Mianus, Connecticut.

This correction is referenced from NOAA's V-Datum model in the

The MLLW to NAVD88 correction for this project is 4.07 ft.

3. Bench Mark Data: Tides were recorded using RTK GPS.

noted and should be used as a general reference only.

bridges, piers, etc., is located approximate unless otherwise

NOAA Chart No. 12367. All topography, including shoreline,

2. Topography shown is from previous surveys and/or to be considered negative.

are below the reference plane of MLLW and are the reference plane of MLLW. Any soundings without a sign

Tidal Epoch. Any soundings noted with a (+) are above

Mean Lower Low Water (MLLW) and is based on the 1983-2001

1. Soundings are in US Survey feet and tenths. The reference plane is

G-002

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District

New England of Engineers

US Army Corps

U S

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M Y C

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SHEET OF

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FLOOD

EBB

M A

T C

S H

C-101

-10

0 50 100 150 200-50-100-150-200

-10

SECTION A-A

VER. 1" = 10'

SCALE: HOR. 1" = 50'

S T

A T

P L

A N A

N D S

E C

S T

A T

RIVERSIDE

GREENWICH

E 766000

E 767000

E 766000

E 767000

E 768000

' 6

East Channel Limit 6-Foot Channel

100'

Side Slope

1' V on 3' H

Existing bottom

1' Allowable Overdepth to be dredged

Material required

E L E

V A

N S I

N M

L L

MLLW

West Channel Limit

E L E

V A

N S I

N M

L L

GREENWICH

COS COB

NOTE:

For General Notes see sheet G-002.

COS COB HARBOR

1" = 50'

50 100

1" = 100'

100 100

10 10

GRAPHIC SCALES:

1" = 10'

OF JULY 2014

LOCATED DURING SURVEY

ALL PILES AND FLOATS

6-FOOT CHANNEL

PLAN

SCALE: 1" = 100'

O D

E A

U J

U N

M T

E S

R S

M E

YACHT CLUB

RIVERSIDE

6 8

0 8

9 7

6 7

5 7

9 6

8 6

7 6

6 6

5 6

3 6

9 5

8 5

7 5

6 5

4 5

3 5

8 4 8 4

8 4

5 4

4 4

8 3

4 3

3 3

1 3

0 3

5 2

2 2

7 1

RN-10

GC-13

RN-12

RN-8

GC-9

GC-11

S O

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D E

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O T S

C A

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C O

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C T N

D A

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1 2 3 4 5 6

District

New England of Engineers

US Army Corps

U S

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FLOOD

EBB

0 0

-10

0 50 100 150 200-50-100-150-200

-10

VER. 1' = 10'

SCALE: HOR. 1" = 50'

SECTION B-B

E 768000

E 767000

E 766000

E 767000

E 768000

E L E

V A

N S I

N M

L L

West Channel Limit 6-Foot Channel

Existing bottom

100' East Channel Limit

1' Allowable Overdepth

E L E

V A

N S I

N M

L L

Side Slope 1' V on 3' H

PLAN

SCALE: 1" = 100'

1" = 50'

50 50

0 200

1" = 100'

100 100

GRAPHIC SCALES:

For General Notes see sheet G-002.

NOTE:

1" = 10'

10 20

VERT. CL. 45 FT

HOR. CL. 100 FT

FIXED BRIDGE

GREENWICH

COS COB

OF JULY 2014

LOCATED DURING SURVEY

ALL PILES AND FLOATS

GREENWICH

RIVERSIDE

MIANUS

NOTE:

VERT. CL. 20 FT

HOR. CL. 67 FT

BASCULE BRIDGE

EAD

AVENUE

E R A

V E N

U E

M A

T C

H L

E S

H E

E T C -1

M A

T C

H L

E S

H E

E T C -1

AUTH. CL. 105 FT

OVERHEAD POWER CABLES

FLOAT "D"

6-FOOT CHANNEL

D A

O R

R H

T R

O N

O R

T E

T E R S T A T E H

H W

A Y

FENDERS

BRIDGE

E 767655.95

N 573793.28

E 767007.45

N 573730.02

E 766286.17

N 573907.69

E 767402.84

N 572614.04

E 766452.30

N 572382.28

INFORMATION

01 11 00, 1.11 FOR OPERATIONAL

SEE SPECIFICATIONS SECTION

C-102

A E

A N

S I F

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A T

O S

T A

P L

A N A

N D S

E C

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E A

-2

C -1

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J U

N E to be removed Material required

Refer to General Note #11 Sheet G-002

M E

M T

E S

R S

R.R. BRIDGE FENDERS

FEDERAL CHANNEL -100' NAVD29

APPROX. ELEVATION BENEATH

SEWER PIPELINE

20" FORCED MAIN

APPROXIMATE LOCATION

SUBMARINE CABLE

PENN CENTRAL R.R.

(NO SPUD ZONE)

CABLE AND PIPELINE AREA

SEWER PIPELINE

16" FORCED MAIN

APPROXIMATE LOCATION

CABLE AREA (5 CABLES)

PENN CENTRAL R.R.

WATER PIPELINE

SUBMARINE C.I.

ABANDONED 16"

APPROXIMATE LOCATION

(NO SPUD ZONE)

CABLE AND PIPELINE AREA

1 8

8 7

6 7

5 7

0 7

5 6

0 6

8 5

7 5

2 5

0 5

9 4

8 4

6 4

9 3

S O

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N B

C K

D B

D E

N E

D B

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K A

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D A

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D B

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O T S

C A

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O T D

A T

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District

New England of Engineers

US Army Corps

U S

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M Y C

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P S O

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T T S

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O D

SHEET OF

-2

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T E

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W J -1

-B -0

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FLOOD

EBB

C-103

A N

-2

C -1

.d g n

-10

0 50 100-50-100

-10

0 50 100 150 200-50-100-150-200

-10

VER. 1" = 10'

SCALE: HOR. 1" = 50'

VER. 1" = 10'

SCALE: HOR. 1" = 50'

SECTION C-C

SECTION D-D

S T

A T

S T

A T

P L

A N A

N D S

E C

N S

S T

A T

P L

A N A

N D S

E C

N S

ALLOWED PRIOR TO THIS AREA.

NO OTHER DREDGING WILL BE

BEGINNING OF DREDGE OPERATIONS.

WLDS DISPOSAL AREA AT THE

DREDGED AND DISPOSED OF AT

STA. 76+00 TO STA 81+84 MUST BE

L T

O D

E A

E 767000

E 768000

E 769000

' 6

E L E

V A

N S I

N M

L L

MLLWExisting bottom

East Channel Limit

1' Allowable Overdepth

West Channel Limit 6-Foot Channel

100'

E L E

V A

N S I

N M

L L

Side Slope

1' V on 3'H to be removed

Material required

MIANUS

GREENWICH

OF JULY 2014

LOCATED DURING SURVEY

ALL PILES AND FLOATS

NOTE:

1" = 50'

50 100

1" = 100'

100 100

NOTE:

GRAPHIC SCALES:

1" = 10'

10 20

For General Notes see sheet G-002.

PLAN

SCALE: 1" = 100'

E L E

V A

N S I

N M

L L

West Channel Limit 75'

MLLW

E L E

V A

N S I

N M

L L

Side Slope

1' V on 3' H

Channel

6-Foot

Limit

East Channel bottom

Existing

D D

6-FOOT CHANNEL

M A

T C

H L

E S

H E

E T C -1 survey

1985 post-dredge

Approximate to be dredged

Material required

(if rock not encountered) to be dredged

Material required

(if rock not encountered)

Overdepth

1' Allowable

END OF SECTION 01 57 20.

AND WATER QUALITY CERTIFICATION AT

END OF SPECIFICATION SECTION 35 20 23

POST DREDGE SURVEY FROM 1985 AT

ROCK OR LEDGE. REFER TO SKETCH OF

APPROXIMATE LOCATION OF POTENTIAL

-150-200 150 200

M A

Note #11 Sheet G-002 Refer to General

M T

E S

R S

M E

VERT. CL. 45 FT

HOR. CL. 100 FT

FIXED BRIDGE

MEAD

AVENUE

R I

V E

N U E

MIANUS

DAM

S T

A T E R

O U

T E

RIVERSIDE AVENUE

GREENWICH

M I

A N

U S

V E

T E

R S

T A

T E

H W

A Y

RIVER AVENUE

MARINE

ALBIN

SERVICE

MARINE

MACHENZIE

CLUB

WATER

GREENWICH

MARINE

OMA

BASIN

BOAT

DRENCKHAHN

CONDOS

LANDING

RIVER

POND

MIANUS

0 5

9 4

9 3

8 3

3.5

5 3

4 3

2 3

5 2

7 1 7 1

4 0

3 0

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C A

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District

New England of Engineers

US Army Corps

U S

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M Y C

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SHEET OF

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M A

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W J -1

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G R

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C O

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G-001

G-002

C-101

C-102

C-103

File details come from the government source that posted it. Updated Nov 14, 2017.